Home / 22,007.21-30,369.40-12,575.16

Finding the Fourth Proportional to 22,007.21, 30,369.40 and 12,575.16

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Solution

The fourth proportional to 22,007.21, 30,369.40 and 12,575.16 is: 17,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.21 : 30,369.40 = 12,575.16 : x
  2. Step 2: Convert to fraction form
    22,007.21/30,369.40 = 12,575.16/x
  3. Step 3: Cross multiply
    22,007.21x = 30,369.40 × 12,575.16
  4. Step 4: Simplify right side
    22,007.21x = 381,900,032.67
  5. Step 5: Solve for x
    x = 381,900,032.67/22,007.21
  6. Step 6: Final answer
    x = 17,353.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.